LogrobotLM — AI fault diagnosis for ABB · KUKA · FANUC robots. It reads your robot backup in your browser (never uploaded) and pinpoints the fault. Try it free → · Le diagnostic IA qui lit la sauvegarde de votre robot, sans rien téléverser.

ABB Error 71504File size exceeds max file size

Error / Erreur

🇫🇷 File size exceeds max file size

ABB — CATALOGUE PRODUCTION

ABB 71504 (“File size exceeds max file size”): File size exceeds max file size — ABB robot hardware event on the File size exceeds max file size (IRC5).

Updated 2026-08-29 · LogrobotLM reference

What it means · Ce que ça veut dire

File size exceeds max file size — ABB robot hardware event on the File size exceeds max file size (IRC5). Specific to this controller generation. Severity: Major. Field diagnosis below (French); your robot's own manual remains authoritative.

Unable to copy file data to the controller. The file arg is too large. File size: arg . Max file size: arg . Le texte constructeur de ce code n'existe qu'en anglais dans les manuels ABB dont il provient. Il est reproduit tel quel ci-dessus ; le manuel de votre robot fait foi.

What to check · Que vérifier

  • Inspect the File size exceeds max file size, its wiring and connections first.
  • Match this code against your robot's event-log timeline before swapping parts.
  • Follow the French field checks below — they are the tested sequence for this fault.
  • probable : The file size is larger than the allowed file size.
  • Check the FTP client configuration and increase the system parameter MaxFileSize to be able to transfer the file to the controller.

Frequently asked · Questions fréquentes

What does ABB error 71504 mean?
ABB 71504 (“File size exceeds max file size”): File size exceeds max file size — ABB robot hardware event on the File size exceeds max file size (IRC5). Specific to this controller generation. Severity: Major. Field diagnosis below (French); your robot's own manual remains authoritative.
How do you troubleshoot ABB error 71504?
Inspect the File size exceeds max file size, its wiring and connections first. Match this code against your robot's event-log timeline before swapping parts. Follow the French field checks below — they are the tested sequence for this fault.

Related codes / Codes liés

Indicative field information — the robot manufacturer's manual and safety procedures always prevail. Never bypass a safety device; apply lockout/tagout (LOTO) before any physical intervention. · Informations indicatives issues du terrain — le manuel du constructeur et ses procédures de sécurité font foi. Ne shuntez jamais un organe de sécurité ; consignez (LOTO) avant toute intervention physique. How this reference is built →